my Volvo XC60 Second Generation (2018-2024) won’t unlock with the key fob what to do

Solution

1. Preparation

• Gather tools:
  • Small screwdriver
  • Multimeter
  • Replacement battery (CR2032 or appropriate size for the fob)
  • OBD-II scanner (if applicable)
• Ensure you are working in a well-lit area and that the vehicle is turned off.

2. Replace Key Fob Battery

• Sub-steps:
  1. Use a small screwdriver to carefully open the key fob.
  2. Remove the old battery and inspect for corrosion or damage.
  3. Insert the new battery, ensuring correct polarity (+/-).
  4. Reassemble the key fob securely.

3. Reprogram Key Fob (if necessary)

• Sub-steps:
  1. Sit in the driver's seat with all doors closed.
  2. Insert the key into the ignition and turn it to the "On" position (do not start the engine).
  3. Press the lock button on the key fob within 10 seconds.
  4. Turn the ignition off and remove the key.
  5. Test the key fob to see if it functions properly.

4. Check Vehicle Battery

• Sub-steps:
  1. Open the hood and check the vehicle battery terminals for corrosion.
  2. Use a multimeter to check the battery voltage (should be around 12.6 volts).
  3. If the voltage is low, recharge or replace the battery as necessary.